Chemical Process MCQs

Question 1

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Accepted Answer

Strengthening

Answer

Cutting

Answer

Fibrillation

Answer

Hydration

Question 2

Sulphuric acid completely saturated with sulphur trioxide is called

Accepted Answer

Concentrated sulphuric acid

Answer

Oleum

Answer

Sulphurous acid

Answer

Dilute sulphuric acid

Question 3

__________ is the major constituent of the Portland cement.

Accepted Answer

Tricalcium silicate

Answer

Calcium carbonate

Answer

Calcium oxide

Answer

Calcium sulphate

Question 4

The product obtained on mixing calcium oxide with water is called

Accepted Answer

Slaked lime

Answer

Quicklime

Answer

Milk of lime

Answer

None of these

Question 5

Kaoline is a/an

Accepted Answer

Refractory material

Answer

Synthetic resin

Answer

Artificial abrasive

Answer

Blue pigment

Question 6

Coke oven gas consists mainly of

Accepted Answer

H2 & CH4

Answer

CO & CO2

Answer

H2 & CO

Answer

CH4 & CO

Question 7

Commonly used glass is known as the __________ glass.

Accepted Answer

Soda

Answer

Flint

Answer

Hard

Answer

Pyrex

Question 8

Kopper-Totzek coal gasifier

Accepted Answer

Can give ammonia synthesis gas (H2 + N2)

Answer

Is a moving bed reactor

Answer

Cannot use coking coal

Answer

Operate at very high pressure

Question 9

Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

Accepted Answer

50

Answer

10

Answer

25

Answer

98